CVE-2026-1301

Vulnerability Description

In builds with PubSub and JSON enabled, a crafted JSON message can cause the decoder to write beyond a heap-allocated array before authentication, reliably crashing the process and corrupting memory.

Related Weaknesses (CWE)

CWE-787

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-03

FAQ

What is CVE-2026-1301?

CVE-2026-1301 is a documented vulnerability. In builds with PubSub and JSON enabled, a crafted JSON message can cause the decoder to write beyond a heap-allocated array before authentication, reliably crashing the process and corrupting memory.

How severe is CVE-2026-1301?

CVSS scoring is not yet available for CVE-2026-1301. Check NVD for updates.

Is there a patch for CVE-2026-1301?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.